• Nadal advances in Shanghai: Rafael Nadal advanced to the semifinals at the Shanghai Masters on Friday, benefiting when Ivan Ljubicic became the eighth player to quit while playing in the tournament this week. Nadal and Ljubicic split the first two sets, with the top-seeded Spaniard losing the first. The match ended 3-6, 6-3 when Ljubicic retired with a left hip injury. In the semifinals, Nadal will face Feliciano Lopez of Spain, who eliminated ninth-seeded Robin Soderling of Sweden 7-6 (4), 6-3. Second-seeded Novak Djokovic and Nikolay Davydenko will play in the other semifinal.